package com.atguigu.springcloud.service.impl;

import cn.hutool.core.util.IdUtil;
import com.atguigu.springcloud.service.PaymentService;
import com.netflix.hystrix.contrib.javanica.annotation.HystrixCommand;
import com.netflix.hystrix.contrib.javanica.annotation.HystrixProperty;
import org.springframework.stereotype.Service;
import org.springframework.web.bind.annotation.PathVariable;

import java.util.concurrent.TimeUnit;

/**
 * @program: cloud2020
 * @description:
 * @author: ZhaoYe
 * @create: 2021-08-05 10:22
 **/
@Service
public class PaymentServiceImpl implements PaymentService {

    @Override
    public String paymentInfoOk(Integer id) {
        return "线程池："+Thread.currentThread().getName()+"   paymentInfo_OK,id：  "+id+"\t"+"哈哈哈"  ;

    }

    @Override
    @HystrixCommand(fallbackMethod = "paymentInfoTimeOutHandler", /*指定善后方法名*/
            commandProperties = {@HystrixProperty(name="execution.isolation.thread.timeoutInMilliseconds",value="3000")  //3秒钟以内就是正常的业务逻辑

            })
    public String paymentInfoTimeOut(Integer id) {

        //int age = 10/0;
        int timeNumber = 3;
        try { TimeUnit.SECONDS.sleep(timeNumber); }catch (Exception e) {e.printStackTrace();}
        return "线程池："+Thread.currentThread().getName()+"   paymentInfo_TimeOut,id：  "+id+"\t"+"呜呜呜"+" 耗时(秒)";

    }

    /**
     * 用来善后的方法
     * @param id
     * @return
     */
    public String paymentInfoTimeOutHandler(Integer id){

        return "线程池:  "+Thread.currentThread().getName()+"  8001系统繁忙或者运行报错，请稍后再试,id:  "+id+"\t"+"o(╥﹏╥)o";
    }

    @Override
    @HystrixCommand(fallbackMethod = "paymentCircuitBreakerFallback",commandProperties = {
            @HystrixProperty(name = "circuitBreaker.enabled",value = "true"),  //是否开启断路器
            @HystrixProperty(name = "circuitBreaker.requestVolumeThreshold",value = "10"),   //请求次数
            @HystrixProperty(name = "circuitBreaker.sleepWindowInMilliseconds",value = "10000"),  //时间范围
            @HystrixProperty(name = "circuitBreaker.errorThresholdPercentage",value = "60"), //失败率达到多少后跳闸
    })
    public String paymentCircuitBreaker(@PathVariable("id") Integer id){
        if (id < 0){
            throw new RuntimeException("*****id 不能负数");
        }
        String serialNumber = IdUtil.simpleUUID();

        return Thread.currentThread().getName()+"\t"+"调用成功,流水号："+serialNumber;
    }
    public String paymentCircuitBreakerFallback(@PathVariable("id") Integer id){
        return "id 不能负数，请稍候再试,(┬＿┬)/~~   id: " +id;
    }

}